Laravel 8 support (#21)

Author: sausin

composer.json

@@ -16,15 +16,15 @@
     "require": {
         "php": ">=7.2",
         "doctrine/dbal": "^2.10",
-        "illuminate/support": "^5.8|^6.0|^7.0",
-        "illuminate/contracts": "^5.8|^6.0|^7.0",
-        "illuminate/database": "^5.8|^6.0|^7.0",
-        "illuminate/queue": "^5.8|^6.0|^7.0",
-        "illuminate/events": "^5.8|^6.0|^7.0"
+        "illuminate/support": "^5.8|^6.0|^7.0|^8.0",
+        "illuminate/contracts": "^5.8|^6.0|^7.0|^8.0",
+        "illuminate/database": "^5.8|^6.0|^7.0|^8.0",
+        "illuminate/queue": "^5.8|^6.0|^7.0|^8.0",
+        "illuminate/events": "^5.8|^6.0|^7.0|^8.0"
     },
     "require-dev": {
         "mockery/mockery": "^1.3.1",
-        "phpunit/phpunit": "^8.5"
+        "phpunit/phpunit": "^8.5|^9.5"
     },
     "autoload": {
         "psr-4": {